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<?php $array1 = [ ["B00CEEZ57S"], ["B002QJZADK"], ["B001EHL2UK"], ["B003FSTNB6"], ]; $array2 = [ [ "name" => "Jonathan Franzen: Purity (Hardcover); 2015 Edition", "ASIN" => "B002QJZADK" ], [ "name" => "Cardinal Gates Outdoor Child Safety Gate, Brown", "ASIN" => "B00CE8C7SO" ], [ "name" => "Sauder Edge Water 71.88\" Bookcase Estate Black Finish", "ASIN" => "B001EHL2UK" ], [ "name" => "The Pioneer Woman 82695.03R Cowboy Rustic 8\" Rosewood Handle Can Opener, Scis...", "ASIN" => "B015LU7GPU" ] ]; var_export( array_uintersect( $array2, $array1, fn($a, $b) => ($a['ASIN'] ?? $a[0]) <=> ($b['ASIN'] ?? $b[0]) ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8OjATc
function name:  (null)
number of ops:  12
compiled vars:  !0 = $array1, !1 = $array2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        ASSIGN                                                   !1, <array>
   29     2        INIT_FCALL                                               'var_export'
   30     3        INIT_FCALL                                               'array_uintersect'
   31     4        SEND_VAR                                                 !1
   32     5        SEND_VAR                                                 !0
   33     6        DECLARE_LAMBDA_FUNCTION                          ~4      [0]
   37     7        SEND_VAL                                                 ~4
   30     8        DO_ICALL                                         $5      
   37     9        SEND_VAR                                                 $5
   29    10        DO_ICALL                                                 
   38    11      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8OjATc
function name:  {closure}
number of ops:  13
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   33     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   34     2        FETCH_DIM_IS                                     ~2      !0, 'ASIN'
          3        COALESCE                                         ~3      ~2
          4        FETCH_DIM_R                                      ~4      !0, 0
          5        QM_ASSIGN                                        ~3      ~4
   36     6        FETCH_DIM_IS                                     ~5      !1, 'ASIN'
          7        COALESCE                                         ~6      ~5
          8        FETCH_DIM_R                                      ~7      !1, 0
          9        QM_ASSIGN                                        ~6      ~7
         10        SPACESHIP                                        ~8      ~3, ~6
         11      > RETURN                                                   ~8
   37    12*     > RETURN                                                   null

End of Dynamic Function 0

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